The purpose of this website is to
enable amateur radio operators and others with an interest in Software Defined Radio (SDR) to share related ideas
and information.

Although some of the functionality of this site is available to non-members, much
of it is offered only to members. Membership is completely free, and you may
register yourself for immediate access. Your membership information is treated
respectfully as confidential data, and will never be forwarded to anyone for any
purpose.

hamsdr.com has no official association with
FlexRadio Systems, although as a pioneering leader in Software Defined Radio,
FlexRadio products are referenced frequently throughout this website. Any related
graphics are used with the expressed written consent of FlexRadio Systems.

Please feel free to contact us with any comments,
questions, or suggestions for improvements.

73, Dale -- WA8SRA

:: Articles

SDR - Now there`s an app for that!
Submitted by: NZ0I on 6/15/2010 6:48:35 PM UTC
iSDR - a Software Defined Radio application for the Apple iPhone®, iPod touch® and iPad? is offered as a free download, with no advertising, as a gift to the Amateur Radio community. If you own a compatible Apple product then you can visit the iTune...

Automatically-Tuned Loop Antenna for SDR/Janus/Ozy
Submitted by: WR5H on 9/24/2007 9:26:15 PM UTC
In these days of antenna restrictions, there has been much discussion of small, easily transported, and discretely deployed hf antennas. One of these antennas is the small transmitting loop, which most generally consists of copper tubing formed in ...

Soft Rock information
Submitted by: WA8SRA on 4/18/2007 2:14:07 AM UTC
Since I continue to receive several requests a week from people wishing to order Soft Rock products, I thought it might be good to publish the information here.